Self Adjusting Valve Catch With Valve Seating Control
    3.
    发明申请
    Self Adjusting Valve Catch With Valve Seating Control 有权
    自动调节阀采用阀座控制

    公开(公告)号:US20090184273A1

    公开(公告)日:2009-07-23

    申请号:US12233312

    申请日:2008-09-18

    CPC classification number: F01L9/02 F01L1/46 F01L2009/0451

    Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an outer piston slidably disposed in the bore, said outer piston having an internal hydraulic passage, an internal chamber defined by an outer piston side wall, and an internal orifice connecting the internal hydraulic passage and the internal chamber; a catch piston slidably disposed in the outer piston; and a cone-shaped extension extending from the inner piston, wherein the cone-shaped extension is adapted to provide a variable flow area through the outer piston orifice to provide improved engine valve seating.

    Abstract translation: 公开了一种用于致动和控制内燃机阀的安装速度的可变气门致动系统。 该系统包括:具有形成在其中的孔的壳体; 可滑动地设置在所述孔中的外部活塞,所述外部活塞具有内部液压通道,由外部活塞侧壁限定的内部腔室和连接所述内部液压通道和所述内部腔室的内部孔口; 可滑动地设置在所述外活塞中的止动活塞; 以及从内部活塞延伸的锥形延伸部,其中锥形延伸部适于通过外部活塞孔提供可变的流动面积,以提供改进的发动机气门座。

    Valve seating control device with variable area orifice
    6.
    发明授权
    Valve seating control device with variable area orifice 有权
    具有可变面积孔的阀座控制装置

    公开(公告)号:US06302370B1

    公开(公告)日:2001-10-16

    申请号:US09383987

    申请日:1999-08-26

    CPC classification number: F01L13/065 F01L9/02 F01L13/06 F01L2760/00 F16K47/023

    Abstract: A system for decelerating a linearly displaceable valve undergoing a closing motion is disclosed. The system includes a housing, a first hydraulic fluid chamber provided in said housing, and a slave piston for displacing the valve in response to the supply of hydraulic fluid to the first hydraulic fluid chamber. Deceleration of the valve may be accomplished by selectively throttling the release of hydraulic fluid in the first chamber to a second chamber. The hydraulic pressure in the second chamber opposes the closing motion of the valve, thereby slowing it gently for a valve seating event. Progressive throttling is used to maintain nearly constant hydraulic pressure in the second chamber during the seating event. The progressive throttling may be accomplished by selection of an appropriate throttling orifice size and shape, as well as an appropriate throttling profile for the orifice.

    Abstract translation: 公开了一种用于使经过闭合运动的线性位移阀减速的系统。 该系统包括壳体,设置在所述壳体中的第一液压流体室和用于响应于向第一液压流体室供应液压流体而使阀移动的从动活塞。 阀的减速可以通过选择性地节流将第一室中的液压流体释放到第二室来实现。 第二室中的液压与阀的关闭运动相反,从而缓慢地对阀座进行减速。 逐行节流用于在座位活动期间保持第二室中几乎恒定的液压。 可以通过选择适当的节流孔尺寸和形状以及孔的适当节流曲线来实现渐进式节流。

    Valve actuation system with valve seating control
    7.
    发明授权
    Valve actuation system with valve seating control 有权
    阀门致动系统,带阀座控制

    公开(公告)号:US08453613B2

    公开(公告)日:2013-06-04

    申请号:US11401260

    申请日:2006-04-11

    CPC classification number: F01L1/16 F01L1/14 F01L9/02 F01L13/0031 F01L2009/0451

    Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an outer piston slidably disposed in the bore, the outer piston having an orifice formed therein; a catch piston slidably disposed in the outer piston; and an cone-shaped extension extending from the inner piston, wherein the cone-shaped extension is adapted to provide a variable flow area through the outer piston orifice to provide improved engine valve seating.

    Abstract translation: 公开了一种用于致动和控制内燃机阀的安装速度的可变气门致动系统。 该系统包括:具有形成在其中的孔的壳体; 可滑动地设置在所述孔中的外活塞,所述外活塞在其中形成有孔; 可滑动地设置在所述外活塞中的止动活塞; 以及从所述内部活塞延伸的锥形延伸部,其中所述锥形延伸部适于通过所述外部活塞孔提供可变的流动区域,以提供改进的发动机气门座。

    Self adjusting valve catch with valve seating control
    8.
    发明授权
    Self adjusting valve catch with valve seating control 有权
    带阀座调节阀的自调节阀

    公开(公告)号:US08079338B2

    公开(公告)日:2011-12-20

    申请号:US12233312

    申请日:2008-09-18

    CPC classification number: F01L9/02 F01L1/46 F01L2009/0451

    Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an outer piston slidably disposed in the bore, said outer piston having an internal hydraulic passage, an internal chamber defined by an outer piston side wall, and an internal orifice connecting the internal hydraulic passage and the internal chamber; a catch piston slidably disposed in the outer piston; and a cone-shaped extension extending from the inner piston, wherein the cone-shaped extension is adapted to provide a variable flow area through the outer piston orifice to provide improved engine valve seating.

    Abstract translation: 公开了一种用于致动和控制内燃机阀的安装速度的可变气门致动系统。 该系统包括:具有形成在其中的孔的壳体; 可滑动地设置在所述孔中的外部活塞,所述外部活塞具有内部液压通道,由外部活塞侧壁限定的内部腔室和连接所述内部液压通道和所述内部腔室的内部孔口; 可滑动地设置在所述外活塞中的止动活塞; 以及从内部活塞延伸的锥形延伸部,其中锥形延伸部适于通过外部活塞孔提供可变的流动面积,以提供改进的发动机气门座。

    Method of operating an engine brake
    9.
    发明授权
    Method of operating an engine brake 有权
    操作发动机制动器的方法

    公开(公告)号:US07284533B1

    公开(公告)日:2007-10-23

    申请号:US11429225

    申请日:2006-05-08

    Abstract: Methods and apparatus for actuating an engine valve provided between an engine cylinder and an exhaust manifold to provide compression-release engine braking in combination with exhaust gas restriction and brake gas recirculation are disclosed. In a first embodiment of the present invention, the engine valve used to provide brake gas recirculation and compression-release braking may be maintained slightly open between the brake gas recirculation and compression-release events. In another embodiment of the present invention, the cam closing ramp for a main exhaust event may be extended to terminate near the beginning of a brake gas recirculation event to facilitate refilling a hydraulic valve actuation system used to in association with the exhaust valve.

    Abstract translation: 公开了用于致动设置在发动机气缸和排气歧管之间的发动机气门以提供与排气限制和制动气体再循环相结合的压缩释放发动机制动的方法和装置。 在本发明的第一实施例中,用于提供制动气体再循环和压缩释放制动的发动机阀可以在制动气体再循环和压缩释放事件之间保持略微打开。 在本发明的另一个实施例中,用于主排气事件的凸轮闭合斜坡可以延伸以在制动气体再循环事件开始附近终止,以便于重新填充用于与排气阀相关联的液压阀致动系统。

    Method and apparatus for valve seating velocity control
    10.
    发明授权
    Method and apparatus for valve seating velocity control 有权
    阀座调速方法及装置

    公开(公告)号:US06474277B1

    公开(公告)日:2002-11-05

    申请号:US09663415

    申请日:2000-09-15

    CPC classification number: F01L1/16 F01L1/46 F01L9/02 F01L13/06

    Abstract: A system for controlling the seating of an engine valve is disclosed. The system is designed to bring a hydraulically actuated engine valve to a soft landing on its valve seat. The velocity of the engine valve is reduced as it approaches its seat by progressively throttling the escape of hydraulic fluid from a chamber. The chamber is pressurized as a result of the valve approaching its seat. Accordingly, as the valve approaches its seat, the pressure in the chamber increases, causing the force that opposes the closing motion of the engine valve to increase.

    Abstract translation: 公开了一种用于控制发动机气门座位的系统。 该系统被设计成将液压致动的发动机阀带到其阀座上的软着陆。 发动机阀门的速度通过逐渐地节流液压流体从腔室的逸出而接近其座椅而减小。 由于阀接近其座,气室被加压。 因此,当阀接近其座时,腔中的压力增加,导致与发动机气门的关闭运动相反的力增加。

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